Kuomintang. So he chose to go back to the former nationalist core. Luckily none of my grandparents were actually in nanjing during the ‘38 massacre. Something like 20% of the people living there today are descended from post-massacre migrants.
Parents lived thru the cultural revolution and emigrated for political reasons in the 80s. Mostly due to the lack of opportunity (my parents were youngest of six each - they got lucky because all their older siblings either joined the military and / or the countryside for rural labor). Whereas my parents actually got to go to college. My dad used to tell me stories all the time - especially about the looming war with the USSR during his teenage years and chanting “down with liu shaoqi” on a daily basis.
Sadly, my grandfather died in the mid 1970s of a sudden stroke.